M. Graham & Co has the most beautiful and easily worked color produced today. Each color is created slowly, one at a time, to offer clarity, depth, richness and permanence without peer. Crafted only from artists' pigments, free from Extenders or adulterants and dispersed in pure no yellowing American walnut oil these colors provide a distinctive and traditional value. Completely permanent, intermixable and compatible with all other oils, varnish and mediums including alkyd resin products.